Siemens 5SN6210-8CN High Breaking Capacity Protection MCB 2P 10A
The Siemens 5SN6210-8CN is a 2-pole, 10A Miniature Circuit Breaker (MCB) designed for high-breaking capacity protection, ensuring superior safety and reliability in electrical installations. This MCB boasts a breaking capacity of 6 kA, offering robust defense against overcurrents and short circuits. Its compact design and Type C tripping characteristic make it suitable for a wide range of applications, from residential to industrial environments, providing reliable circuit protection where inductive loads are common. The 5SN6210-8CN is engineered for dependable performance and ease of integration into standard distribution boards.
Product Specifications
| Specification | Value |
| :---------------------- | :---------------------------------- |
| Product Type | Miniature Circuit Breaker (MCB) |
| Manufacturer | Siemens |
| Series | 5SN6 |
| Poles | 2 |
| Rated Current (In) | 10 A |
| Breaking Capacity (Icn) | 6 kA |
| Tripping Characteristic | Type C |
| Voltage Rating | 230/400 V AC |
| Frequency | 50/60 Hz |
| Protection Class | IP20 |
| Operating Temperature | -25 to +45 °C |
| Mounting Type | DIN Rail |
| Compliance Standards | IEC/EN 60898-1 |
Core Features & Market Positioning
The Siemens 5SN6210-8CN distinguishes itself through its high breaking capacity of 6 kA, a critical parameter for ensuring safety in installations prone to significant fault currents. This feature positions it as a robust solution for applications demanding enhanced protection beyond standard MCBs. The Type C tripping characteristic is particularly valuable, providing effective protection for circuits with moderate inrush currents, such as those associated with motors, transformers, and fluorescent lighting. This characteristic minimizes nuisance tripping while still offering sensitive detection of short circuits. Furthermore, Siemens' reputation for quality and reliability in industrial electrical components underpins the market trust in the 5SN6210-8CN, making it a preferred choice for professionals seeking dependable and long-lasting circuit protection.
Key Application Scenarios
The 5SN6210-8CN 2P 10A MCB finds extensive application in residential and commercial building electrical distribution systems. Its 6 kA breaking capacity is well-suited for general power distribution circuits, protecting wiring and appliances from overloads and short circuits. The Type C characteristic makes it ideal for circuits supplying inductive loads, common in commercial settings with equipment like small motors, air conditioning units, and lighting ballasts, ensuring operational continuity by avoiding unnecessary tripping. In industrial environments, it serves as reliable protection for branch circuits and control systems where consistent power and protection against fault conditions are paramount. Its 2-pole design ensures complete isolation for both live and neutral conductors, a requirement in many safety-critical applications.
Practical System Integration Guidance
Integrating the Siemens 5SN6210-8CN into existing or new electrical systems is straightforward, leveraging standard DIN rail mounting capabilities. Ensure that the supply voltage and frequency (230/400 V AC, 50/60 Hz) match the circuit's requirements. For proper installation, connect the line conductor to the upper terminal and the neutral conductor to the lower terminal, or vice-versa, depending on the incoming supply configuration, while adhering strictly to local electrical codes and standards. The 10A rated current necessitates careful consideration of the connected load to prevent premature tripping due to overload. Always verify that the breaking capacity of 6 kA is sufficient for the prospective fault current at the point of installation to guarantee adequate protection.
Operation and Risk Mitigation
The Siemens 5SN6210-8CN operates by interrupting the circuit automatically when the current exceeds a safe level, either due to an overload or a short circuit. Overloads are typically indicated by a gradual increase in current over time, while short circuits result in a sudden, massive surge. The Type C characteristic allows for inrush currents up to 5-10 times the rated current before tripping, protecting against nuisance tripping from inductive loads. To mitigate risks, ensure correct wiring; incorrect connections can compromise safety and functionality. Regular visual inspection for any signs of damage or overheating is recommended. If the MCB trips frequently, investigate the connected load for faults or over-specification rather than assuming a device malfunction.
Scalability & Long-Term Value
The 5SN6210-8CN, as part of the broader Siemens 5SN6 series, offers integration within a comprehensive range of protection devices, facilitating system scalability. Its adherence to IEC/EN 60898-1 standards ensures compatibility with most standard distribution boards and busbar systems. While this specific model is designed for direct protection, its reliability and robust construction contribute to long-term value by minimizing downtime and replacement costs. For systems evolving towards smart grids or IIoT integration, consider pairing this MCB with Siemens' smart meter or communication modules for remote monitoring and control capabilities, enhancing operational intelligence and efficiency.
FAQs
What is the breaking capacity of the Siemens 5SN6210-8CN?
The Siemens 5SN6210-8CN features a breaking capacity of 6 kA.
This rating ensures it can safely interrupt fault currents up to 6000 Amps.
It provides robust protection against dangerous short-circuit events.
What does the "Type C" tripping characteristic mean for this MCB?
Type C indicates the MCB trips between 5 to 10 times the rated current.
This is suitable for circuits with moderate inductive loads.
It helps prevent nuisance tripping from inrush currents of motors or transformers.
Can the Siemens 5SN6210-8CN be used in residential applications?
Yes, it is suitable for residential power distribution circuits.
Its 2-pole design offers complete isolation for line and neutral.
It provides essential overcurrent and short-circuit protection for homes.
What is the rated current of the Siemens 5SN6210-8CN?
The rated current for this specific MCB is 10 Amperes (10A).
This determines the maximum continuous current it can safely handle.
Loads must be sized appropriately to avoid overload tripping.
How do I properly install the Siemens 5SN6210-8CN MCB?
Mount it securely on a standard 35mm DIN rail.
Connect line to one terminal and neutral to the other.
Always follow local electrical codes and safety guidelines.
What are the key technical parameters for the Siemens 5SN6210-8CN?
Key parameters include 2 poles, 10A rating, and 6kA breaking capacity.
It operates at 230/400V AC and has a Type C curve.
Compliance with IEC/EN 60898-1 is a critical standard.
Is the Siemens 5SN6210-8CN suitable for motor protection?
Yes, its Type C characteristic is appropriate for motor circuits.
It handles the initial inrush current when motors start up.
It provides protection against overloads and short circuits for motors.
What is the voltage rating of this MCB?
The voltage rating is 230/400 Volts Alternating Current (AC).
This makes it suitable for standard single-phase and three-phase systems.
Ensure compatibility with your installation's voltage requirements.
Where can I find the Siemens 5SN6210-8CN product specifications?
Specifications are available in technical datasheets and product catalogs.
This includes details like poles, current rating, and breaking capacity.
The product code 5SN6210-8CN clearly identifies its features.
What safety considerations should I be aware of when using this MCB?
Always ensure the correct breaking capacity for the installation.
Verify proper connection of line and neutral conductors.
Regularly inspect for any physical damage or signs of wear.
